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Earn +20 ptsQ: What is the class width of the class interval 4-15?
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What does the width of each bar in a histogram corresponds to?
The class interval.
What is a modal class interval?
It is the class interval with most number of observations.
How can you get the frequency of the preceding class interval when the modal class is the first class interval?
You cannot have a preceding class to the first class. There is no zeroth class.
What happens to width of interval if you decrease the sample size?
It will decrease too. * * * * * If it is the confidence interval it will NOT decrease, but will increase.
What is a modal class interval when it comes to statistics?
When observations are grouped into class intervals, the interval that contains the most frequently occurring value is known as the modal class.
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